887185638252 has 18 divisors (see below), whose sum is σ = 2242608141228. Its totient is φ = 295728546072.

The previous prime is 887185638239. The next prime is 887185638253. The reversal of 887185638252 is 252836581788.

It is a happy number.

887185638252 is a `hidden beast` number, since 8 + 8 + 7 + 18 + 563 + 8 + 2 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 887185638252.

It is not an unprimeable number, because it can be changed into a prime (887185638253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12322022718 + ... + 12322022789.

Almost surely, 2^887185638252 is an apocalyptic number.

It is an amenable number.

887185638252 is an abundant number, since it is smaller than the sum of its proper divisors (1355422502976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

887185638252 is a wasteful number, since it uses less digits than its factorization.

887185638252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24644045517 (or 24644045512 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 63.

The spelling of 887185638252 in words is "eight hundred eighty-seven billion, one hundred eighty-five million, six hundred thirty-eight thousand, two hundred fifty-two".